Average Co-Inventor Count = 3.96
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Nof Corporation (2 from 326 patents)
2. Daicel Chemical Industries, Ltd. (1 from 1,165 patents)
3. Tokyo Institute of Technology (1 from 567 patents)
4. Tohoku Techno Arch Co., Ltd. (1 from 74 patents)
5. Yamakawa Chemical Industry Co., Ltd. (1 from 6 patents)
6. Institute of Science Tokyo (9 patents)
4 patents:
1. 11613607 - Branched type hetero monodispersed polyethylene glycol, production method thereof, and conjugate thereof
2. 10435509 - Hetero type monodispersed polyethylene glycol, intermediate for production of hetero type monodispersed polyethylene glycol, methods for producing same, and hetero type monodispersed polyethylene glycol conjugate
3. 6479702 - 3-amino-1-indanole, method of synthesizing the same and method of optical resolution
4. 6342636 - Process for preparing optically active amines and optically active carboxylic acids, and intermediates for preparation